package org.nwapw.abacus.number; public class NaiveNumber implements Number { private double value; public NaiveNumber(double value) { this.value = value; } @Override public int precision() { return 4; } @Override public Number multiply(Number multiplier) { return new NaiveNumber(value * ((NaiveNumber)multiplier).value); } @Override public Number divide(Number divisor) { return new NaiveNumber(value / ((NaiveNumber)divisor).value); } @Override public Number add(Number summand) { return new NaiveNumber(value + ((NaiveNumber)summand).value); } @Override public Number subtract(Number subtrahend) { return new NaiveNumber(value - ((NaiveNumber)subtrahend).value); } @Override public Number negate() { return new NaiveNumber(-value); } }